Reference resistance thermometers

- -200°C to 670°C

- The 670SQ is our latest thermometer, to be specifically designed to give optimum performance up to the aluminium point.

- 25.5 Ohm SPRT

- Outstanding Performance

- 0°C to 1000°C

- This high-temperature thermometer is a significant contribution to better high-temperature calibration.

- Unique Aspirated Design

- High Stability

- Ultra High Purity Quartz

- 0°C to 1100°C

- Isotech has a long history of making SPRTs to the Silver point (Model 96178) and this experience was combined with new research to produce the new copper point SPRT (Model 108462).

- Novel Design

- Sapphire Mandrel

- Pressurized Sheath

- -196°C to 670°C

- This economically-priced Standard Platinum Resistance Thermometer, Model 909, is the workhorse of calibration laboratories all over the world.

- Three Stem Lengths

- Wide Operating Range

- Proven Design

- Full Name*

- We now have 90 degree angled probes to a maximum temperature of 660°C.

- These industrial platinum resistance thermometers are ideal for field and lab use. Suitable for use as working standards in Dry Blocks and Liquid Baths or as high accuracy probes for our range of True Temperature Indicators.

- High Accuracy, -200°C to 660°C

- Working Standards In Dry Blocks and Liquid Baths

- Field and Laboratory Use